text: #  Copyright (c) 2019, Elasticsearch BV
  #  All rights reserved.
  #
  #  Redistribution and use in source and binary forms, with or without
  #  modification, are permitted provided that the following conditions are met:
  #
  #  * Redistributions of source code must retain the above copyright notice, this
  #    list of conditions and the following disclaimer.
  #
  #  * Redistributions in binary form must reproduce the above copyright notice,
  #    this list of conditions and the following disclaimer in the documentation
  #    and/or other materials provided with the distribution.
  #
  #  * Neither the name of the copyright holder nor the names of its
  #    contributors may be used to endorse or promote products derived from
  #    this software without specific prior written permission.
  #
  #  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  #  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  #  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  #  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  #  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  #  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  #  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  #  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  #  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  
  
  from __future__ import absolute_import
  
  from elasticapm import get_client
  from elasticapm.traces import execution_context
  
  
  def structlog_processor(logger, method_name, event_dict):
      """
      Add three new entries to the event_dict for any processed events:
  
      * transaction.id
      * trace.id
      * span.id
  
      Only adds non-None IDs.
  
      :param logger:
          Unused (logger instance in structlog)
      :param method_name:
          Unused (wrapped method_name)
      :param event_dict:
          Event dictionary for the event we're processing
      :return:
          `event_dict`, with three new entries.
      """
      transaction = execution_context.get_transaction()
      if transaction:
          event_dict["transaction.id"] = transaction.id
      client = get_client()
      if client:
          event_dict["service.name"] = client.config.service_name
          event_dict["event.dataset"] = f"{client.config.service_name}"
      if transaction and transaction.trace_parent:
          event_dict["trace.id"] = transaction.trace_parent.trace_id
      span = execution_context.get_span()
      if span and span.id:
          event_dict["span.id"] = span.id
      return event_dict
  